package com.yunhe.test;

public class Ab {
	public void print(int a,int b){
		System.out.println(a+b);
	}
	public void print(String a,String b){
		System.out.println(a.toUpperCase()+","+b.toLowerCase());
	}
	public void print(){
		System.out.println("hello world");
	}
}
